Maitland, Peter S. <br/><br/>
Biology of fresh waters / 
Peter S. Maitland 
 - 2nd ed. 
 - Glasgow :  Blackie and Son,  1990 
 - 276 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>0412028514 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology